<!DOCTYPE HTML>
<html>
    <head>
        <meta charset='utf8'>
        <title>文本-修饰</title>
        <style>
            body{
                text-decoration: none;
            }
            h1{
                text-decoration: overline;                
            }
            h2{
                text-decoration: line-through;                
            }
            h3{
                text-decoration: underline;
            }
            p.blink{
                text-decoration: blink;
            }
        </style>
    </head>
    <body>
         <h1>overline</h1>
         <h2>line-through</h2>
         <h3>underline</h3>
         <h4>none</h4>
         <p class="blink">blink</p>
    </body>
</html>